ISO 683-18-1996 Heat-treatable Steels, Alloy Steels and Free-cutting Steels - Part 18 Bright Products of Unalloyed and Low Alloy Steels

DIN-EN-10328

NBR 8110

ISO 15001

SAE AMS-QQ-A-250-4A-2010

SAE J434 1986 Automotive Ductile Iron Castings Nodular Iron Castings

ASTM_A400-69(2006)